FindSolar.com lists thousands of solar installers across North America. It’s easy to narrow the list down to four or five names located near your zip code, and then call them up for estimates. Or, look at the websites operated by the major solar leasing companies. Solar energy technologies are simple, but installing an array is a complex […]
The July/August 2012 issue of SOLAR TODAY is online. See these features, search the digital edition and share articles.
The PV Power Map is a report of national solar resource availability as illustrated by the monthly energy output of a nominal 1-kilowatt (kW) photovoltaic (PV) system by location. This issue highlights the difference in real-time production when compared to annual averages. The first map illustrates total estimated power output for the month of April 2012. The second shows the average monthly PV power output in 2011.
Though renewable energy wasn’t the clients’ priority, their dream retirement home exemplifies solar thermal innovation.
Spreadsheet The spreadsheet shown here, refined and updated over five years, is our ongoing attempt to summarize the economic and carbon-footprint efficiency of cars you can buy now, or in the near future. Note that it includes a few sample used cars. The carbon generated in manufacturing any car usually exceeds the carbon emissions for […]